img{
    width: 100%;
    height: 100%;
}
.start{
    display: block;
    position: relative;
    top: 0;
    width: 100%;
    height: 100%;
}
.guide1{
    display: block;
    width: 100%;
    height: 100%;
}
.guide2{
    display: block;
    width: 100%;
    height: 100%;
}
.guide{
    position: relative;
    bottom: 0;
    width: 100%;
    height: 100%;
}